10 20 30 40 50 AAUGCAGCUGACCUACU--| G AGCU CUGACU GUGAU GCAC GUGUG GGUCAC UGCAGUGUG A CGUG CACAU CCAGUG ACGUCACAC G GAGGUCUGUCUUCUUGUGU^ A CCCU UCCCAU AAGGU 110 100 90 80 70 60